Home / 3,076.59-4,617.97-1,618.82

Finding the Fourth Proportional to 3,076.59, 4,617.97 and 1,618.82

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Solution

The fourth proportional to 3,076.59, 4,617.97 and 1,618.82 is: 2,429.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,076.59 : 4,617.97 = 1,618.82 : x
  2. Step 2: Convert to fraction form
    3,076.59/4,617.97 = 1,618.82/x
  3. Step 3: Cross multiply
    3,076.59x = 4,617.97 × 1,618.82
  4. Step 4: Simplify right side
    3,076.59x = 7,475,652.38
  5. Step 5: Solve for x
    x = 7,475,652.38/3,076.59
  6. Step 6: Final answer
    x = 2,429.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.